This compound is primarily used in peptide synthesis as a protected amino acid derivative. The fluorenylmethoxycarbonyl (Fmoc) group serves as a temporary protecting group for the amino functionality, allowing selective deprotection during solid-phase peptide synthesis. The benzo[b]thiophene moiety contributes to the compound's unique properties, making it valuable in the development of peptide-based drugs or bioactive molecules. It is particularly useful in research and pharmaceutical applications where precise control over peptide sequence and structure is required. Additionally, its structure may be explored in the design of peptidomimetics or as a building block for synthesizing complex organic molecules with potential therapeutic applications.